加纳非洲人的玻璃瘤接口异常
Winfried M Amoaku1, Laura Cushley2, Vittorio Silvestri3
1Academic Ophthalmology, Mental Health & Clinical Neurosciences, University of Nottingham and University Hospitals, Nottingham, UK. wma@nottingham.ac.uk.
Eye (London, England)
|September 29, 2023
概括
玻璃体接口异常 (VMIA) 在加纳非洲人中很常见,但后部玻璃体脱落 (PVD) 可能比高加索人少. 在VMIA和与年龄相关的黄斑变性 (AMD) 等级之间没有发现显著的关联.
科学领域:
- 眼科医生 眼科 眼科
- 医疗成像医学成像
- 视网膜疾病 视网膜疾病
背景情况:
- 玻璃瘤接口异常 (VMIA) 是一系列影响玻璃体和斑点之间的接口的疾病.
- 与年龄相关的黄斑变性 (AMD) 是老年人视力丧失的主要原因.
- 了解不同人群中VMIA患病率及其与AMD的关系对于全面的眼科护理至关重要.
研究的目的:
- 在加纳非洲人中使用光谱域光学连贯性断层扫描 (SD-OCT) 描述玻璃瘤接口异常 (VMIA).
- 调查VMIA与与年龄相关的黄斑变性 (AMD) 的程度之间的相关性.
主要方法:
- 一项前性,横截面研究,涉及加纳AMD研究中招募的50岁及以上的成年人.
- 所有参与者都获得了高分辨率的SD-OCT扫描 (黄斑立方体和线扫描).
- 玻璃瘤接口 (VMI) 的特征使用国际玻璃瘤引研究小组系统进行了分类,并与AMD等级相关联.
主要成果:
- 这项研究包括624名参与者 (1248只眼睛);707只眼睛有AMD和VMI的可分级扫描.
- 71.3%的眼睛没有后部玻璃体脱落 (PVD),并且与年龄无关.
- 在12.2%的眼睛中观察到没有引的玻璃眼界面异常 (VMIA),并且与AMD等级没有显著的相关性.
结论:
- 本研究提供了对加纳非洲人的VMIA的首次评估.
- 在这个人群中,VMIA似乎很常见,尽管与高加索人群相比,后部玻璃体脱落 (PVD) 可能不那么普遍.
- 与年龄相关的黄斑变性 (AMD) 的程度和VMIA的存在之间没有发现显著的关联.
更多相关视频
10:24Detecting Abnormalities in Choroidal Vasculature in a Mouse Model of Age-related Macular Degeneration by Time-course Indocyanine Green Angiography
Published on: February 19, 2014
13.7K
10:14Author Spotlight: Ex Vivo OCT-Based Multimodal Imaging of Human Donor Eyes for Research into Age-Related Macular Degeneration
Published on: May 26, 2023
3.2K
相关概念视频
01:25Glaucoma: Overview
614
Glaucoma is an eye condition characterized by increased intraocular pressure that damages the retina and optic nerve, leading to irreversible blindness if left untreated. The human eye has various components, including the cornea, iris, pupil, lens, and optic nerve. Aqueous humor is secreted by the epithelium of the ciliary body in the posterior chamber and flows through the trabecular meshwork and canal of Schlemm, maintaining normal intraocular pressure. The trabecular meshwork and the canal...
614
01:27Open Angle Glaucoma: Treatment
474
In open-angle glaucoma, the iridocorneal angle remains open, but the trabecular meshwork becomes stiff, slowing down the outflow of aqueous humor. This causes a buildup of aqueous humor in the anterior chamber, leading to a sudden increase in intraocular pressure. The treatment for open-angle glaucoma focuses on reducing the elevated intraocular pressure by either decreasing the secretion of aqueous humor or increasing its outflow.
Drugs such as carbonic anhydrase inhibitors, α2- and...
Drugs such as carbonic anhydrase inhibitors, α2- and...
474
01:28Angle Closure Glaucoma: Treatment
555
Angle-closure glaucoma, or closed-angle glaucoma, is an eye condition where the iris bulges out and blocks the iridocorneal angle, resulting in a buildup of aqueous humor and increased intraocular pressure. Immediate medical attention is necessary due to the sudden onset of symptoms. The treatment for angle-closure glaucoma includes short-term and long-term approaches. Short-term treatment involves using eye drops like pilocarpine to lower intraocular pressure by increasing aqueous humor...
555